自动推广
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wangjinlei
324
application/common/PromotionService.php
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324
application/common/PromotionService.php
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<?php
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namespace app\common;
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use think\Db;
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use think\Cache;
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use think\Queue;
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use PHPMailer\PHPMailer\PHPMailer;
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class PromotionService
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{
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private $logFile;
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public function __construct()
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{
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$this->logFile = ROOT_PATH . 'runtime' . DS . 'promotion_task.log';
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}
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/**
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* Process the next email in a promotion task (called by queue job)
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*/
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public function processNextEmail($taskId)
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{
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$task = Db::name('promotion_task')->where('task_id', $taskId)->find();
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if (!$task) {
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return ['done' => true, 'reason' => 'task_not_found'];
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}
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if ($task['state'] != 1) {
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return ['done' => true, 'reason' => 'task_not_running', 'state' => $task['state']];
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}
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$currentHour = intval(date('G'));
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if ($currentHour < $task['send_start_hour'] || $currentHour >= $task['send_end_hour']) {
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$this->enqueueNextEmail($taskId, 300);
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return ['done' => false, 'reason' => 'outside_send_window', 'retry_in' => 300];
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}
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if ($task['sent_count'] > 0 && $task['max_bounce_rate'] > 0) {
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$bounceRate = ($task['bounce_count'] / $task['sent_count']) * 100;
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if ($bounceRate >= $task['max_bounce_rate']) {
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Db::name('promotion_task')->where('task_id', $taskId)->update([
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'state' => 2,
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'utime' => time(),
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]);
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$this->log("Task {$taskId} auto-paused: bounce rate {$bounceRate}% >= {$task['max_bounce_rate']}%");
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return ['done' => true, 'reason' => 'auto_paused_bounce_rate', 'bounce_rate' => $bounceRate];
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}
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}
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$logEntry = Db::name('promotion_email_log')
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->where('task_id', $taskId)
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->where('state', 0)
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->order('log_id asc')
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->find();
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if (!$logEntry) {
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Db::name('promotion_task')->where('task_id', $taskId)->update([
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'state' => 3,
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'utime' => time(),
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]);
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return ['done' => true, 'reason' => 'all_emails_processed'];
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}
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$expert = Db::name('expert')->where('expert_id', $logEntry['expert_id'])->find();
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if (!$expert || $expert['state'] == 4 || $expert['state'] == 5) {
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Db::name('promotion_email_log')->where('log_id', $logEntry['log_id'])->update([
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'state' => 2,
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'error_msg' => 'Expert invalid or deleted (state=' . (isset($expert['state']) ? $expert['state'] : 'null') . ')',
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'send_time' => time(),
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]);
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Db::name('promotion_task')->where('task_id', $taskId)->setInc('fail_count');
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Db::name('promotion_task')->where('task_id', $taskId)->update(['utime' => time()]);
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$this->enqueueNextEmail($taskId, 2);
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return ['done' => false, 'skipped' => $logEntry['email_to'], 'reason' => 'expert_invalid'];
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}
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$account = $this->pickSmtpAccountForTask($task);
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if (!$account) {
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$this->enqueueNextEmail($taskId, 600);
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return ['done' => false, 'reason' => 'no_smtp_quota', 'retry_in' => 600];
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}
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$journal = Db::name('journal')->where('journal_id', $task['journal_id'])->find();
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$expertVars = $this->buildExpertVars($expert);
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$journalVars = $this->buildJournalVars($journal);
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$vars = array_merge($journalVars, $expertVars);
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$rendered = $this->renderFromTemplate(
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$task['template_id'],
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$task['journal_id'],
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json_encode($vars, JSON_UNESCAPED_UNICODE),
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$task['style_id']
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);
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if ($rendered['code'] !== 0) {
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Db::name('promotion_email_log')->where('log_id', $logEntry['log_id'])->update([
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'state' => 2,
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'error_msg' => 'Template render failed: ' . $rendered['msg'],
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'send_time' => time(),
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]);
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Db::name('promotion_task')->where('task_id', $taskId)->setInc('fail_count');
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Db::name('promotion_task')->where('task_id', $taskId)->update(['utime' => time()]);
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$this->enqueueNextEmail($taskId, 2);
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return ['done' => false, 'failed' => $logEntry['email_to'], 'reason' => 'template_error'];
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}
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$subject = $rendered['data']['subject'];
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$body = $rendered['data']['body'];
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$result = $this->doSendEmail($account, $logEntry['email_to'], $subject, $body);
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$now = time();
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if ($result['status'] === 1) {
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Db::name('promotion_email_log')->where('log_id', $logEntry['log_id'])->update([
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'j_email_id' => $account['j_email_id'],
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'subject' => mb_substr($subject, 0, 512),
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'state' => 1,
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'send_time' => $now,
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]);
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Db::name('journal_email')->where('j_email_id', $account['j_email_id'])->setInc('today_sent');
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Db::name('expert')->where('expert_id', $expert['expert_id'])->update(['ltime' => $now]);
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Db::name('promotion_task')->where('task_id', $taskId)->setInc('sent_count');
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} else {
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Db::name('promotion_email_log')->where('log_id', $logEntry['log_id'])->update([
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'j_email_id' => $account['j_email_id'],
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'subject' => mb_substr($subject, 0, 512),
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'state' => 2,
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'error_msg' => mb_substr($result['data'], 0, 512),
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'send_time' => $now,
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]);
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Db::name('promotion_task')->where('task_id', $taskId)->setInc('fail_count');
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}
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Db::name('promotion_task')->where('task_id', $taskId)->update(['utime' => $now]);
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$delay = rand(max(5, $task['min_interval']), max($task['min_interval'], $task['max_interval']));
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$this->enqueueNextEmail($taskId, $delay);
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return [
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'done' => false,
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'sent' => $result['status'] === 1,
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'email' => $logEntry['email_to'],
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'next_in' => $delay,
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];
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}
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// ==================== Queue ====================
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public function enqueueNextEmail($taskId, $delay = 0)
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{
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$jobClass = 'app\api\job\PromotionSend@fire';
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$data = ['task_id' => $taskId];
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if ($delay > 0) {
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Queue::later($delay, $jobClass, $data, 'promotion');
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} else {
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Queue::push($jobClass, $data, 'promotion');
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}
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}
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// ==================== SMTP ====================
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public function pickSmtpAccountForTask($task)
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{
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$journalId = $task['journal_id'];
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$smtpIds = $task['smtp_ids'] ? array_map('intval', explode(',', $task['smtp_ids'])) : [];
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$query = Db::name('journal_email')
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->where('journal_id', $journalId)
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->where('state', 0);
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if (!empty($smtpIds)) {
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$query->where('j_email_id', 'in', $smtpIds);
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}
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$accounts = $query->select();
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if (empty($accounts)) {
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return null;
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}
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$best = null;
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$bestRemaining = -1;
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foreach ($accounts as $acc) {
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$this->resetDailyCountIfNeeded($acc);
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$remaining = $acc['daily_limit'] - $acc['today_sent'];
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if ($remaining > 0 && $remaining > $bestRemaining) {
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$best = $acc;
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$bestRemaining = $remaining;
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}
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}
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return $best;
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}
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public function resetDailyCountIfNeeded(&$account)
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{
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$todayDate = date('Y-m-d');
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$cacheKey = 'smtp_reset_' . $account['j_email_id'];
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$lastReset = Cache::get($cacheKey);
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if ($lastReset !== $todayDate) {
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Db::name('journal_email')
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->where('j_email_id', $account['j_email_id'])
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->update(['today_sent' => 0]);
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$account['today_sent'] = 0;
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Cache::set($cacheKey, $todayDate, 86400);
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}
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}
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public function doSendEmail($account, $toEmail, $subject, $htmlContent)
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{
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try {
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$mail = new PHPMailer(true);
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$mail->isSMTP();
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$mail->SMTPDebug = 0;
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$mail->CharSet = 'UTF-8';
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$mail->Host = $account['smtp_host'];
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$mail->Port = intval($account['smtp_port']);
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$mail->SMTPAuth = true;
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$mail->Username = $account['smtp_user'];
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$mail->Password = $account['smtp_password'];
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if ($account['smtp_encryption'] === 'ssl') {
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$mail->SMTPSecure = 'ssl';
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} elseif ($account['smtp_encryption'] === 'tls') {
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$mail->SMTPSecure = 'tls';
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} else {
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$mail->SMTPSecure = false;
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$mail->SMTPAutoTLS = false;
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}
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$fromName = !empty($account['smtp_from_name']) ? $account['smtp_from_name'] : $account['smtp_user'];
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$mail->setFrom($account['smtp_user'], $fromName);
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$mail->addReplyTo($account['smtp_user'], $fromName);
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$mail->addAddress($toEmail);
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$mail->isHTML(true);
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$mail->Subject = $subject;
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$mail->Body = $htmlContent;
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$mail->AltBody = strip_tags($htmlContent);
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$mail->send();
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return ['status' => 1, 'data' => 'success'];
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} catch (\Exception $e) {
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return ['status' => 0, 'data' => $e->getMessage()];
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}
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}
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// ==================== Template Rendering ====================
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public function renderFromTemplate($templateId, $journalId, $varsJson, $styleId = 0)
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{
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$tpl = Db::name('mail_template')->where('template_id', $templateId)->where('journal_id', $journalId)->where('state', 0)->find();
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if (!$tpl) {
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return ['code' => 1, 'msg' => 'Template not found'];
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}
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$vars = [];
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if ($varsJson) {
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$decoded = json_decode($varsJson, true);
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if (is_array($decoded)) $vars = $decoded;
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}
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$subject = $this->renderVars($tpl['subject'], $vars);
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$body = $this->renderVars($tpl['body_html'], $vars);
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$finalBody = $body;
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if ($styleId) {
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$style = Db::name('mail_style')->where('style_id', $styleId)->where('state', 0)->find();
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if ($style) {
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$header = $style['header_html'] ?? '';
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$footer = $style['footer_html'] ?? '';
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$finalBody = $header . $body . $footer;
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}
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}
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return ['code' => 0, 'msg' => 'success', 'data' => ['subject' => $subject, 'body' => $finalBody]];
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}
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public function buildExpertVars($expert)
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{
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return [
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'name' => $expert['name'] ?? '',
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'email' => $expert['email'] ?? '',
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'affiliation' => $expert['affiliation'] ?? '',
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'field' => $expert['field'] ?? '',
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];
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}
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public function buildJournalVars($journal)
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{
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if (!$journal) return [];
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return [
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'journal_title' => $journal['title'] ?? '',
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'journal_abbr' => $journal['jabbr'] ?? '',
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'journal_url' => $journal['website'] ?? '',
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];
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}
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public function renderVars($tpl, $vars)
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{
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if (!is_string($tpl) || $tpl === '') return '';
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if (!is_array($vars) || empty($vars)) return $tpl;
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$replace = [];
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foreach ($vars as $k => $v) {
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$key = trim((string)$k);
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if ($key === '') continue;
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$replace['{{' . $key . '}}'] = (string)$v;
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$replace['{' . $key . '}'] = (string)$v;
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}
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return str_replace(array_keys($replace), array_values($replace), $tpl);
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}
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// ==================== Logging ====================
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public function log($msg)
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{
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$line = date('Y-m-d H:i:s') . ' ' . $msg . PHP_EOL;
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@file_put_contents($this->logFile, $line, FILE_APPEND);
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}
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}
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